Samuel Langley, the Great Aerodrome, and the Potomac Dunking Nine Days Before Kitty Hawk

On October 7, 1903, the most credentialed and best-funded flying machine program in America ended in the Potomac River, in front of reporters and Army officers. Nine days later, two bicycle mechanics from Ohio flew at Kitty Hawk. The distance between those two events is one of aviation’s most instructive stories.

Who Was Samuel Langley?

Langley was not a backyard tinkerer. He was the Secretary of the Smithsonian Institution - one of the most prestigious scientific posts in America - as well as an astronomer and physicist. He had already built working, unmanned steam-powered aircraft models. His small-scale Aerodromes had flown nearly a mile over the Potomac River as far back as 1896.

When the U.S. Army Signal Corps decided to explore military aviation, they went to Langley. They provided $50,000 in 1901. With Smithsonian funds and private contributions, Langley was working with approximately $70,000 total. The Wright Brothers spent just under $1,000 of their own money through Kitty Hawk.

Charles Manly and the Engine Ahead of Its Time

Langley hired Charles Manly, then 30 years old, as assistant and chief engineer. Manly’s most consequential contribution was an engine. He had been handed a German rotary design from engineer Stefan Balzer, which was supposed to produce 12 horsepower but delivered only about 8 - nowhere near enough for flight.

Manly rebuilt it from scratch. The result was a five-cylinder radial engine producing approximately 52 horsepower and weighing just over 200 pounds. For 1903, this was a genuine engineering marvel - arguably the lightest and most powerful aircraft engine in the world at that moment. Manly built something extraordinary. He just built it for a machine that was not ready to use it.

What Happened on October 7, 1903

The launch arrangement was unconventional. The Aerodrome - a tandem-wing aircraft spanning 52 feet tip to tip - was mounted atop a houseboat on the Potomac, aimed into the wind, and designed to be flung off a spring-powered catapult on a rotating turntable. Reporters, Army officers, and photographers watched from the banks and nearby vessels.

Manly climbed into the open cockpit, bundled against the October cold, and waited. When the catapult fired, something failed in the launch mechanism. The leading edge of the front wings - or possibly a guide wire - caught on the catapult structure. Instead of pitching up into flight, the Aerodrome pitched nose-down. Manly and his engine went straight into the Potomac.

He was not seriously hurt. The Aerodrome was a wreck on the river bottom.

The Press, the Repair, and the Second Crash

The coverage was merciless. One headline called it “the buzzard’s plunge.” Another suggested Langley rename the machine “the submarine.” Langley was 69 years old and had spent nearly a decade on the project. He did not quit.

They raised the Aerodrome, repaired it, and on December 8, 1903, Manly climbed back into the cockpit. Getting back into a machine that had already dunked him in a cold river takes nerve. This time the rear wing structure failed on launch. The Aerodrome broke apart just barely in the air, and Manly went into the river again - pulled out barely conscious and coated in ice. He nearly drowned.

Nine days later - December 17, 1903 - Wilbur and Orville Wright flew at Kitty Hawk, North Carolina. Four flights. The longest lasted 59 seconds and covered 852 feet. The press barely noticed. The Associated Press dispatch was so garbled that most editors dismissed it as exaggeration.

The Real Failure: Control, Not Funding

Langley understood lift. What he did not fully grasp was control. The Aerodrome had no lateral control - no mechanism for the pilot to manage roll or correct when one wing lifted more than the other.

The Wright Brothers had spent three years on a beach in North Carolina studying almost nothing but control. They flew kites and gliders before they ever mounted an engine. They understood that flight requires constant active management - that the pilot is always in a conversation with the aircraft, and the moment that conversation stops, the aircraft starts making its own decisions.

Langley believed that correct proportions would produce inherent stability. The aircraft would fly straight and level on its own. Every pilot who has held a correction in a crosswind knows that is not how airplanes work.

The Smithsonian Controversy That Lasted Forty Years

The story did not end in 1903. In 1914, the Smithsonian - under Secretary Charles Walcott - lent the original Aerodrome airframe to Glenn Curtiss, who was then in patent litigation with Orville Wright and had strong incentive to demonstrate that someone other than the Wrights had achieved powered flight first. Curtiss modified the aircraft substantially: new floats, a different engine, changes to the wings and control surfaces. He flew it briefly over a lake in upstate New York. The Smithsonian then published an official statement claiming the Aerodrome had been demonstrated capable of flight - and that Langley had therefore created the first aircraft capable of carrying a man.

Orville Wright documented the modifications in exhaustive detail. The Smithsonian held its position for years.

So Orville sent the original Wright Flyer - the actual aircraft flown on December 17, 1903 - to the Science Museum in London. He donated it to England rather than to any American institution, because the institution that should have been the Flyer’s natural home was, in his view, actively distorting the historical record.

The Flyer remained in London through World War II, stored in a basement while the Luftwaffe was bombing the city. In 1942, the Smithsonian finally issued a formal statement acknowledging that the modifications to the Aerodrome had been substantial, and that the original aircraft had not been demonstrated capable of flight in its original configuration.

In 1948, the Wright Flyer returned to the United States. Orville Wright died in January 1948 - nine months before his airplane was formally installed where it belonged. He never saw it there.

Why This Matters for Pilots Today

Langley died in February 1906, having never witnessed powered flight succeed, even though success had arrived just over two weeks after his final failure. The relentless criticism from the press and from Congress, which had funneled Army money into the program, broke him. He suffered a series of strokes beginning in 1904 and never recovered.

His story is not a failure of funding or talent. Manly’s five-cylinder radial was a masterpiece - a decade ahead of its time, as engineers who later examined it at the Smithsonian would attest. The failure was a failure of understanding. Langley believed the aircraft would do the work. The Wrights built their entire design philosophy around the opposite premise: that the aircraft and the pilot are always in partnership, and that the pilot is never a passenger, not even for a moment.

That premise has not changed. It lives in every stall recovery, every crosswind correction, every moment when the airplane begins to wander and you bring it back with your hands, your feet, and your attention.

Key Takeaways

Langley’s Aerodrome crashed twice - on October 7 and December 8, 1903 - consuming roughly $70,000 in Army and Smithsonian funds while the Wright Brothers succeeded on less than $1,000.
Charles Manly’s five-cylinder radial engine produced approximately 52 horsepower at just over 200 pounds - a genuine engineering marvel in 1903 that was arguably the most advanced aircraft powerplant in the world.
The Aerodrome’s fatal flaw was not insufficient power but the absence of lateral control. Langley underestimated the pilot’s active role; the Wrights built everything around it.
The Wright Flyer spent decades in London after the Smithsonian distorted the historical record to credit Langley; the institution did not formally correct its position until 1942.
Orville Wright died in January 1948, nine months before the Flyer was installed at the Smithsonian - he never saw his aircraft in its rightful place.